Cytology Revision Questions Flashcards
THE CORRECT SEQUENCE OF LEVELS OF BIOLOGICAL ORGANIZATION FROM THE SMALLEST TO THE LARGEST is?
molecular level-subcellular level-organelle-tissue-organ-organ system-organism-population-community-ecosystem-biosphere level
The part of the microscope which needs to turn up the power of magnification such as from X40-X100 is?
Revolving nosepiece
The cell organelles that are found in plants and not animals include;
cell wall, chloroplast, large central vacuole, plastids
The function of the rough endoplasmic reticulum includes?
Synthesis and sorting of proteins
The cell was discovered in what year and by what scientist?
1665, by Robert Hooke
What cell organelle is used for intercellular digestion?
Lysosome
Function of the Nucleolus
synthesis of ribosomes
The Hereditary material of prokaryotes is?
one circular strand of DNA molecule
protein synthesis in a prokaryotic cell takes place in the
ribosomes in the cytoplasm
The word Biology was suggested by?
Karl F Burdach, G.R Treviranus, J.B De Lamarck
A. Golgi Body B. ER C. Lysosomes D. Plastids Which of these are double membranous cell organelles
Plastids
Biology is a science studying
Living matter
Energy synthesis is the highest in? a] Biological Oxidation b] Protein biosynthesis c] Glycolysis d] Photosynthesis
Glycolysis
THE NUMBER OF HYDROGEN BONDS BETWEEN THE GUANINE AND
CYTOSINE IN DNA DOUBLE STRAND
3
WHEN NO OXYGEN IS AVAILABLE, PYRUVATE IS CONVERTED TO
Latic Acid
PHOTOLYSIS OF WATER HAPPENS
In the light phase
THE STRUCTURE OF COILED DNA AND PROTEINS THAT FORMS IN
THE CELLS NUCLEUS PRIOR TO MITOSIS IS
Chromosome
THE PROCESS BY WHICH THE NUCLEAR MATERIAL IS DIVIDED
EQUALLY BETWEEN TWO NEW CELLS IS
Mitosis
NUMBER OF DAUGHTER CELLS FORMED IN MEIOSIS IS
4
ECTODERM GIVES RISE TO THE?
a] epithelium of uterus
b] pancreas
c] epithelium of lungs
d] epidermis of skin
Epidermis of the skin
AGING PROCESS IN CELLULAR LEVEL INCLUDES
Select one:
a] activation of rough ER and Golgi body
b] decreasing of cytoplasmic microtubules
c] storage of lipofuscin pigment in a cell cytoplasm
d] accumulation of ATP in a cell
storage of lipofuscin pigment in a cell cytoplasm
INTRAUTERINE TYPE OF DEVELOPMENT IS TYPICAL FOR? a] Turtle b] Kangaroo c] Echidna d] Crocodile
Kangaroo
ENDODERM GIVES RISE TO THE a] kidney b] liver c] lymph d] heart
Liver
A butterfly undergoes what kind of metamorphosis
Complete
PERIOD OF POSTEMBRYONIC DEVELOPMENT IS Select one: a] maturation period b] growth period c] blastulation period d] organogenesis
Maturation Period
One triplet of DNA molecule contains information about?
amino acid sequences in a protein molecule
What organelle is responsible for cell division
Centriole
Human Karyotype has
46 chromosomes
THE PART OF DNA NUCLEOTIDE THAT DISTINGUISHES IT FROM OTHER TYPES
Glycerol Attachment
The triplets are named Anti-Codons of what molecule?
t-RNA
The term transcription refers to the process of?
synthesis of m-RNA
AT THE PREPARATORY STAGE OF THE ENERGY METABOLISM
Hydrolysis of micro molecules take place
THE STUDY OF MICROORGANISM WHICH INCLUDES THE GROUP OF
BACTERIA, VIRUSES. PROTOZOANS, UNICELLULAR ALGAE AND
MUSHROOMS IS NAMED
Microbiology
THE STRUCTURE WHICH REGULATES THE AMOUNT OF LIGHT
PASSING THROUGH THE SLIDE SPECIMEN ON THE MICROSCOPE
STAGE IS
Diaphragm
THE FIRST STAGE OFTHE CELL CYCLE DURING WHICH THE CELL MATURES, GROWS AND PREPARES TO DIVIDE AND COPIES IT’S DNA IS NAMED
Interphase
An organism gets its traits during sexual reproduction from?
Both Parents
CELL TYPE FORMED BY MEIOSIS IS
a] sperm cells
b] blood cells
c] nerve cells
d] skin cells
Sperm cells
THE MAIN PROCESS OF GLYCOLYSIS IS
Breaking down of glucose to pyruvic acid
Process increasing the variability of Genetic information
a] Meiosis
b] Mitosis
c] Endomitosis
Meiosis
What type of asexual reproduction regrows from the part of an organism
Budding
The first embryo stage forming by cleavage is called
Morula
Incomplete metamorphosis is for which of the following organisms? a] Triton b] Shark c] Spider d] Chameleon
Spider
Post embryonic development is from
Birth till death
One Amino acid is coded by
3 nucleotides
Biology is the study of?
Living matter
